Bucket

ABSTRACT

Bucket ( 1 ) intended to be carried by means of an arm or the like for manoeuvring and comprising a bottom and back part and opposing side parts ( 4 ), which parts together from a load space ( 5 ) with an opening ( 6 ) having an edge part ( 8 ) connected to the bottom and edge part and running sideways in the bucket. The bucket is especially characterized in, that said bottom and back part ( 3 ) comprises an internal sorting part ( 9 ) through, which among other things liquid and comparatively finely dispersed goods, e.g. sand and earth, may pass. as well as an external sealing part ( 10 ), which is swingable towards and from the sorting part between a first position, in which the sorting part is substantially exposed, and a second position, in which the sealing part substantially connects to the sorting part.

The present invention relates to a bucket intended to be carried by anarm or the corresponding and comprising a bottom and back part andopposing side parts, which parts are arranged to, together, form a loadspace having an opening with an edge part connected to the bottom partof the bottom and back part and running sideways in the bucket.

Buckets of substantially this kind are previously known and are used forexample for excavating. Buckets of this kind are comparatively limitedas far as area of use is concerned.

The present invention relates to a bucket, which offers a substantiallybroader area of use.

Thus, the invention refers to a bucket according to the introductorypart of the attached claim 1. The bucket is especially characterized inwhat is specified in the characterizing part of said claim.

Below, the invention is described in association with exemplifyingembodiments and attached drawings, in which

FIG. 1 schematically shows a first embodiment of a bucket according tothe invention in a closed position and in a side view,

FIG. 2 shows the bucket according to FIG. 1 in an open position,

FIG. 3 shows a detail of the bucket according to FIG. 1 regarding amongother things fastening of tools,

FIG. 4 schematically shows a bucket according to FIG. 1 seen from theright in FIG. 1,

FIG. 5 schematically shows a bucket according to FIG. 1 with a tool inthe form of a ripper tooth arrangement,

FIG. 6 schematically shows a bucket according to FIG. 1 with a tool inthe form of a cutting device for asphalt,

FIG. 7 more in detail shows an attachment seen in the width direction ofthe bucket,

FIG. 8 shows the fastening arrangement according to FIG. 7 seen from theright in FIG. 7 and without devibrationally arranged axles,

FIG. 9 schematically shows a second embodiment of a bucket according tothe invention shown in a perspective view towards its opening andsectioned substantially perpenticular to its width direction and withoutsorting part,

FIG. 10 shows a sorting part intended to be arranged, inside the bucketaccording to FIG. 9,

FIG. 11 schematically shows a side view of a bucket according to FIG. 9in an open position, sorting position,

FIG. 12 schematically shows a side view of a bucket according to FIG. 9with a combined ripper and asphalt cutting tool in an asphalt cuttingposition,

FIG. 13 shows an arrangement according to FIG. 12 with the tool inripping position,

FIGS. 14 and 15 show the arrangement according to FIG. 12 and 13respectively, where, however, the tool is applied in a somewhatdifferent way and

FIG. 16 schematically shows a side view of a third embodiment of abucket according to the invention in the form of a so called clamshellbucket with two sorting parts shown in a sorting position.

In the FIGS. 1 designates a bucket for e.g. excavating etc. arranged tobe carried by means of a, not shown, machine arm 2, intermittentlymarked in FIG. 4 or the like for manaeuvring. The bucket comprises abottom and back part 3 and opposing side parts 4, as shown in FIG. 1, 2and 4. Said parts together form a load space 5 with an opening 6 with anedge part 8 connected to the bottom part 7 of the bottom and back partand running sideways in the bucket.

According to the invention said bottom and back part comprises aninternal sorting part 9, FIG. 2, through which among other things liquidand comparatively finely distributed goods, e.g. sand and soil, canpass, as well as an external sealing part 10, which is swingable towardsand from the sorting part between a first position, an open position, inwhich the sorting part is substantially exposed, and a second position,a closed position, in which the sealing part sealingly substantiallyconnects to the sorting part.

11 designates a roof part, which bridges the side parts and, accordingto the shown, preferred embodiment, carries at least one, but preferablytwo hydraulic cylinders 12 for swinging the sealing part between saidtwo positions. The roof part preferably also carries a fasteningarrangement 10 for said arm or the corresponding.

According to a preferred embodiment the sorting part comprises aplurality of substantially rod shaped elements 4 running between theside parts and distributed along the bottom and back part for theformation of a sorting configuration. It is also preferred that furtherelements 15 are provided and running substantially perpendicular to therod shaped elements and connecting them.

According to the embodiment shown, the sealing part at each of its twoopposing sides comprises a flange part 16 turned to the sorting part andat least partly toothed, so that objects 17 as intermittently lined inFIG. 2, can be gripped and held between the sealing part and the sortingpart.

Also according to the embodiment shown the sealing part, at its freeedge 18, comprises at least one fixing means 19 with substantial toothshaped section, FIG. 3, which fixing means is arranged to sealinglyconnect to the edge part 8 arranged to the side parts and the sortingpart, which edge part is intended to be the active edge part whenexcavating etc. and preferably to be made of scraper steel or thecorresponding. The fixing means are arranged to run along the edge part,preferably on a somewhat higher level than the edge part bottom side 8,whereby the fixing means, for good sealing, is sealed by means ofsloping surface 19′ turned to the edge part and fitted against a surfaceof the edge part elevating against the fixing means and having thecorresponding inclination, FIG. 3. The inclination angle v is e.g. about20-30°, preferably about 26°.

The fixing means are also arranged to fix various tools such as anasphalt cutter 20, FIG. 6, or a ripper element 21, having one or moredigging teeth 22, FIG. 5, to the edge part by squeezing and where therespective tools comprise a fixing piece 23, arranged to be applied tothe edge part and to be fixed by squeezing to the same in a suitablemanner.

According to a further embodiment vibration means 24 are provided andconnected to the sorting arrangement, e.g. via said roof part, asintermittently marked in FIG. 2, for promoting the sorting. To do this,devibrating parts, made of e.g. rubber or the like elastic material, areput into the fastening arrangement 13 for said arm or the correspondingin order to prevent vibrations to the sorting are transferred to the armor the corresponding. At the fastening arrangement 13 according to FIGS.7 and 8 is a gate 13′, e g of substantially known kind, attached to thebucket by means of fastening ears 13″ and two axles 13′″, where parts 25made of elastic material are provided and arranged between therespective axle and the axle fastening points 13″″ of the gate fordevibration, as schematically shown in FIG. 7.

In the especially preferred embodiment shown in FIGS. 9-15 is saidsorting part removably arranged and hereby arranged to be attachedinternally between the side parts 4. According to the embodiment shownthe sorting part comprises two opposing frame elements 26, between whichrod shaped elements 14 are running. For attachment two flange parts 28are provided e.g. in the forward edge 27 of the sorting part arranged tobe inserted and held under corresponding flange parts 28 of the edgepart 8 running between the side parts and internal pins 29 arranged tobe inserted in a notch 30 in said frame element.

24 designates vibration means, such as a motor with an excenter weight,arranged on the removable sorting part for vibrating the same. Thesorting part is preferably arranged between the side parts with asubstantial gap in order to allow the necessary movability and therewithefficient vibration.

In FIGS. 12-1531 designates a combined ripper and asphalt cutting toolarranged to be helt by means of the bottom and back part in an asphaltcutting position, FIGS. 12 and 14, or a ripping position, FIGS. 13 and15. The tool comprises two notches 32, 33 running in the width directionof the bucket, in which notches the edge part 8, FIGS. 12 and 13, or thefree edge 18 of the sealing part, FIGS. 14 and 15, are intended to beinserted for fixing of the tool as should be obvious from the Figures,whereby the tool is arranged, by means of support surfaces, to be ableto be put on an underlay in substantially said positions, so thatgripping and application of the tool can be done without manual action.

The invention is applicable for buckets with a bottom and back partaccording to e.g. FIG. 1. The invention is also applicable for bucketsof the clam shell type, FIG. 16, comprising two bottom and back partsarranged to be swung towards and from each other in order to grip goodsin a hanging position. Hereby either one or both of the two bucketsparts be arranged with an internal sorting part 9 and an externalsealing part 10 in principally the same way as a bucket according toe.g. FIG. 1, whereby the sorting part may be fixed or removable in theway described earlier. In the embodiment shown in FIG. 16 the respectivebottom and back parts are swingable by means of cylinders 12 towards andfrom the respective sorting part and the respective pair of such partsswingable towards and from each other by means of cylinders 12′ forgripping by the bucket.

The function of the bucket according to the invention should to asubstantial part have been made obvious above. In order to obtain asorting configuration of the bucket, the sealing part is swung from thesorting part, whereby liquid and finely dispersed goods may pass fromthe load space through the sorting part. The sealing part is swungtowards the sorting part in order to obtain a sealed bucket for ordinaryuse.

As should have been made obvious above the invention offers severalalternative functions of a bucket by comparatively simple means. Bymeans of a removable and, thus, exchangeable sorting part, parts fordifferent goods size of passing goods may be arranged in the bucket.

Above, the invention has been described in association with exemplifyingembodiments. Of course, further embodiments and minor changes andcomplements may be imagined without leaving the substantial inventiveidea.

Thus, the sorting part may be designed to have a more distinct netconfiguration or as a disc shaped part provided with holes.

Thus, the invention should not be regarded as limited to the embodimentsspecified above but may be varied within the frame given by the attachedclaims.

What is claimed is:
 1. A bucket assembly for mounting on a maneuveringarm comprising: a sealing member; transversely spaced side partsopposing said sealing member; an edge part extending transverselybetween said side parts and being shaped and located to form an activeedge for the bucket assembly; a sorting part having a grid for sortingmaterial within the bucket assembly and extending between said sideparts; said sealing member being swingable away from and toward saidsorting part and said side parts between first and second positions,respectively; said side parts, said sorting part and said sealing memberin said second position thereof forming a sealed bucket defining a loadspace with an opening for receiving material; said sealing member insaid first position being spaced from said sorting part enabling andexposing said sorting part for sorting material within the load spaceand a second position overlying the sorting part to substantially sealthe bucket assembly and load space precluding passage of materialthrough the sorting part.
 2. A bucket assembly according to claim 1including a roof part connected to said side parts and carrying at leastone hydraulic cylinder for swinging the sealing member between saidpositions.
 3. A bucket according to claim 2 wherein said roof partcarries an attachment for said arm.
 4. A bucket according to claim 1wherein said sorting part includes substantially rod-shaped elementsextending between said side parts.
 5. A bucket assembly according toclaim 4 including further elements extending substantially perpendicularand connected to said rod-shaped elements to form a grid.
 6. A bucketassembly according to claim 1 wherein the sealing member at each twoopposite sides thereof includes a flange having teeth lying inopposition to the sorting part whereby objects may be gripped and heldbetween the sealing member and the sorting part when the sealing memberlies in said first position.
 7. A bucket assembly according to claim 1wherein the sealing member has a free edge including at least one fixingmeans having a substantially tooth-shaped cross-section for sealingagainst said side edge part in said second position of said sealingmember.
 8. A bucket according to claim 7 wherein a tool is secured toone of said free edge and said edge part.
 9. A bucket assembly accordingto claim 1 wherein a combined scarfing and asphalt cutting tool issecured to said edge part of the bucket assembly, enabling the tool totake a scarfing position and an asphalt-cutting position, respectively.10. A bucket assembly according to claim 1 including means connected tothe sorting part for vibrating the sorting part to promote sorting. 11.A bucket assembly according to claim 10 wherein an attachment for thearm includes an elastic element for preventing transmission ofvibrations to the arm.
 12. A bucket assembly according to claim 1wherein said side parts, sorting part and said edge part form anintegral unit, said sealing member being pivotally connected to saidunit for movement between said first and second positions.
 13. A bucketassembly according to claim 1 wherein said side plates and said edgepart form an integral unit, said sealing member being pivotallyconnected to said unit for pivotal movement between said first andsecond positions, said sorting part being releasably secured to saidunit.
 14. A bucket assembly according to claim 1 wherein the sealingmember overlies solely a back side and underside of the sorting part.